Transaction not yet indexed

yMMbFvMBX6i1kKKkKo7aMnzfmaym3b9GmuTeTzpe7xoYDT5xpn96YzaQkbGDgsyEhqz3jqHQ2aZpfRbgkiudbeQ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.